Clack WS1 Interior Parts Kit – This kit replaces the main interior parts of the Clack WS1 water softener/filter control valve.

• Kit contains 3 Clack part #’s for the Clack WS1 Control Valve
• Contains Downflow Piston V3011
• Contains Brine Regenerant Piston V3174
• Contains Spacer Stack V3005